Civil Structures: Historical & Societal Influences

Question 1

What materials were traditionally included in the construction of bridges?

Answer 1

Stone, timber, wrought iron, and steel.

Question 2

What materials have recently been included?

Answer 2

Aluminium alloys, polymers and composite materials.

Question 3

When was iron introduced as a material in the construction of bridges? (Give an example if needed to support answer)

Answer 3

Iron was introduced in the late 18th century. The first iron bridge was constructed in 1779 in England.

Question 4

When was wrought iron introduced as a material in the construction of bridges?

Answer 4

Wrought iron was introduced in the 19th century, employed in trusses around the 1840s.

Question 5

During what time did civil structures see a transition from wood to iron and steel?

Answer 5

This transition occurred during the Industrial Revolution (1750 to 1830).